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Intel i7-7920HQ vs i7-8665U

The Intel Core i7-8665U @ 1.90GHz is newer than Intel Core i7-7920HQ @ 3.10GHz and is around -15% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core i7-8665U @ 1.90GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 2624 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i7-7920HQ @ 3.10GHz×Intel Core i7-8665U @ 1.90GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1440FCBGA1528
CPU ClassLaptopLaptop
Clockspeed3.1 GHz1.9 GHz
Turbo SpeedUp to 4.1 GHzUp to 4.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP45W15W
Yearly Running Cost$8.21$2.74
OtherIntel HD Graphics 630Intel UHD Graphics 620
First Seen on ChartQ2 2017Q2 2019
# of Samples3542270
CPU Rank18522057
CPU Value12.88.8
Single Thread Rating(% diff. to max in group)2185(0.0%)2167(-0.8%)
CPU Mark(% diff. to max in group)7295(0.0%)6204(-15.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 12th of January 2026 - Higher results represent better performance
Intel Core i7-7920HQ @ 3.10GHz
7,295
Intel Core i7-8665U @ 1.90GHz
6,204
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 12th of January 2026 - Higher results represent better value
Intel Core i7-7920HQ @ 3.10GHz
12.8
Intel Core i7-8665U @ 1.90GHz
8.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 12th of January 2026 - Higher results represent better performance
Intel Core i7-7920HQ @ 3.10GHz
2,185
Intel Core i7-8665U @ 1.90GHz
2,167
PassMark Software © 2008-2026
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i7-7920HQ @ 3.10GHz Intel Core i7-8665U @ 1.90GHz
Max TDP45W15W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.